000 00405nam a2200157Ia 4500
008 220501s1982 xx 000 0 eng d
082 _a20
_bKRI/REF
100 _aKRISHAN KUMAR
245 0 _aREFERENCE SERVICE
250 _aFIRST
260 _aDELHI
_bVIKAS PUBLISHING HOUSE
_c1982
653 _aINFORMATION SERVICE
653 _aSOURCES OF INFORMATION
653 _aUSERS AND NON USERS
942 _2ddc
_cBK
999 _c779
_d779